Pre-Calc Test Review Help- Given f(x)=(x−4)(x−9)(x−6), find the roots in increasing order. To the left of the first root, is the graph of?
f(x) above or below the x-axis?
Between the first two roots, is the graph of f(x) above or below the x-axis?
Between the last two roots, is the graph of f(x)above or below the x-axis?
After the last root, is the graph of f(x)above or below the x-axis?
Thank you.
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